63645046 has 16 divisors (see below), whose sum is σ = 98759808. Its totient is φ = 30729600.

The previous prime is 63645013. The next prime is 63645047. The reversal of 63645046 is 64054636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63645047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40206 + ... + 41758.

It is an arithmetic number, because the mean of its divisors is an integer number (6172488).

Almost surely, 2^63645046 is an apocalyptic number.

63645046 is a deficient number, since it is larger than the sum of its proper divisors (35114762).

63645046 is a wasteful number, since it uses less digits than its factorization.

63645046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 63645046 is about 7977.7845295546. The cubic root of 63645046 is about 399.2591411676.

The spelling of 63645046 in words is "sixty-three million, six hundred forty-five thousand, forty-six".